青云翻译

The quality of the original steel frame standards for blasting metal surfaces thoroughly to remove grease, oxide corrosion products and all other impurities, the surface without any visible stranded material, showing a homogeneous metal character. After sandblasting the metal surface should be unifo

Quality standards of the original steel frame sand to completely remove the metal surface of the grease, oxide skin corrosion products and all impurities, free of any visible stranded on the surface, uniform metal color. Sand treated metal surface should be rough surface is uniform, roughness RZ40-8

The original steel framework sand-blasts the quality specification for except the metal surface fat, the oxide skin corrosion product and so on all impurities, the surface does not have thoroughly any is detained obviously, presents the homogeneous metal true colors.After the sand blasting processin

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Quality standards of the original steel frame sand to completely remove the metal surface of the grease, oxide skin corrosion products and all impurities, free of any visible stranded on the surface, uniform metal color. Sand treated metal surface should be rough surface is uniform, roughness RZ40-8